#ADDAD3
Closest named color: Celeste (#A8DADC). oklch(85.5% 0.048 184.7), rgb(173, 218, 211).
Aa
Black text reads best on this color (13.74:1).
About this color
#ADDAD3 is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.048 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.013 away. Black text reads best on it, at 13.74:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.74:1 |
| White text | 1.52:1 |
Values
| HEX | #ADDAD3 |
| RGB | rgb(173, 218, 211) |
| HSL | hsl(171, 38%, 77%) |
| OKLCH | oklch(85.5% 0.048 184.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #ADDAD3 | 1.52:1 | Fails | Lc -27.7 | Dividers and decoration only |
| Black text on #ADDAD3 | 13.74:1 | AAA | Lc 79.3 | Fine for body text |
| #ADDAD3 text on white | 1.52:1 | Fails | Lc 24.4 | Dividers and decoration only |
| #ADDAD3 text on black | 13.74:1 | AAA | Lc -78.7 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DEEEEB
oklch(93.6% 0.017 183.5)
-
Step 200
200 (this color)
#ADDAD3
oklch(85.5% 0.048 184.7)
-
Step 300
300
#93CEC5
oklch(80.8% 0.062 184.3)
-
Step 400
400
#4BB5A8
oklch(70.8% 0.099 184.2)
-
Step 500
500
#009F92
oklch(63.2% 0.111 184.7)
-
Step 600
600
#00867A
oklch(55.7% 0.099 183.9)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#ADDAD3 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #D5D5D3 | 0.051 |
| Deuteranopia (no green cones) | #CDCED4 | 0.049 |
| Tritanopia (no blue cones) | #A1DCD8 | 0.014 |
| Achromatopsia (no color) | #D1D1D1 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADDAD3
#ADDAD3
oklch(85.5% 0.048 184.7)
- #ECC3CB
#ECC3CB
oklch(85.5% 0.048 5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #ADDAD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.013
- Powder Blue #B0E0E6 ΔE 0.027
- Light Blue #ADD8E6 ΔE 0.029
- Cadet Gray #CED4DA ΔE 0.046
- Tiffany Blue #94D2BD ΔE 0.047
- Light Gray #D3D3D3 ΔE 0.049
- Light Teal #90E4C1 ΔE 0.053
- Pale Turquoise #AFEEEE ΔE 0.056
Use #ADDAD3 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.